| private static GetAesTransform ( byte key, byte iv, bool decrypt ) : ICryptoTransform | ||
| key | byte | |
| iv | byte | |
| decrypt | bool | |
| return | ICryptoTransform | |
// Token: 0x060002CA RID: 714 RVA: 0x0002807C File Offset: 0x0002627C
public static byte[] Unzip(byte[] byte_0)
{
Assembly callingAssembly = Assembly.GetCallingAssembly();
Assembly executingAssembly = Assembly.GetExecutingAssembly();
if (callingAssembly != executingAssembly && !SimpleZip.PublicKeysMatch(executingAssembly, callingAssembly))
{
return(null);
}
SimpleZip.ZipStream zipStream = new SimpleZip.ZipStream(byte_0);
byte[] array = new byte[0];
int num = zipStream.ReadInt();
if (num == 67324752)
{
short num2 = (short)zipStream.ReadShort();
int num3 = zipStream.ReadShort();
int num4 = zipStream.ReadShort();
if (num == 67324752 && num2 == 20 && num3 == 0)
{
if (num4 == 8)
{
zipStream.ReadInt();
zipStream.ReadInt();
zipStream.ReadInt();
int num5 = zipStream.ReadInt();
int num6 = zipStream.ReadShort();
int num7 = zipStream.ReadShort();
if (num6 > 0)
{
byte[] buffer = new byte[num6];
zipStream.Read(buffer, 0, num6);
}
if (num7 > 0)
{
byte[] buffer2 = new byte[num7];
zipStream.Read(buffer2, 0, num7);
}
byte[] array2 = new byte[zipStream.Length - zipStream.Position];
zipStream.Read(array2, 0, array2.Length);
SimpleZip.Inflater inflater = new SimpleZip.Inflater(array2);
array = new byte[num5];
inflater.Inflate(array, 0, array.Length);
goto IL_265;
}
}
throw new FormatException("Wrong Header Signature");
}
int num8 = num >> 24;
num -= num8 << 24;
if (num == 8223355)
{
if (num8 == 1)
{
int num9 = zipStream.ReadInt();
array = new byte[num9];
int num11;
for (int i = 0; i < num9; i += num11)
{
int num10 = zipStream.ReadInt();
num11 = zipStream.ReadInt();
byte[] array3 = new byte[num10];
zipStream.Read(array3, 0, array3.Length);
new SimpleZip.Inflater(array3).Inflate(array, i, num11);
}
}
if (num8 == 2)
{
byte[] byte_ = new byte[]
{
72,
196,
226,
220,
77,
90,
77,
41
};
byte[] byte_2 = new byte[]
{
17,
242,
176,
1,
248,
117,
118,
164
};
using (ICryptoTransform desTransform = SimpleZip.GetDesTransform(byte_, byte_2, true))
{
array = SimpleZip.Unzip(desTransform.TransformFinalBlock(byte_0, 4, byte_0.Length - 4));
}
}
if (num8 != 3)
{
goto IL_265;
}
byte[] byte_3 = new byte[]
{
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
};
byte[] byte_4 = new byte[]
{
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2
};
using (ICryptoTransform aesTransform = SimpleZip.GetAesTransform(byte_3, byte_4, true))
{
array = SimpleZip.Unzip(aesTransform.TransformFinalBlock(byte_0, 4, byte_0.Length - 4));
goto IL_265;
}
}
throw new FormatException("Unknown Header");
IL_265:
zipStream.Close();
zipStream = null;
return(array);
}
// Token: 0x06000252 RID: 594 RVA: 0x00012F88 File Offset: 0x00011188
public static byte[] Unzip(byte[] A_0)
{
Assembly callingAssembly = Assembly.GetCallingAssembly();
Assembly executingAssembly = Assembly.GetExecutingAssembly();
if (callingAssembly != executingAssembly && !SimpleZip.PublicKeysMatch(executingAssembly, callingAssembly))
{
return(null);
}
SimpleZip.ZipStream zipStream = new SimpleZip.ZipStream(A_0);
byte[] array = new byte[0];
int num = zipStream.ReadInt();
if (num != 67324752)
{
int num2 = num >> 24;
num -= num2 << 24;
if (num == 8223355)
{
if (num2 == 1)
{
int num3 = zipStream.ReadInt();
array = new byte[num3];
int num5;
for (int i = 0; i < num3; i += num5)
{
int num4 = zipStream.ReadInt();
num5 = zipStream.ReadInt();
byte[] array2 = new byte[num4];
zipStream.Read(array2, 0, array2.Length);
new SimpleZip.Inflater(array2).Inflate(array, i, num5);
}
}
if (num2 == 2)
{
byte[] array3 = new byte[]
{
72,
196,
226,
220,
77,
90,
77,
41
};
byte[] array4 = new byte[]
{
17,
242,
176,
1,
248,
117,
118,
164
};
using (ICryptoTransform desTransform = SimpleZip.GetDesTransform(array3, array4, true))
{
array = SimpleZip.Unzip(desTransform.TransformFinalBlock(A_0, 4, A_0.Length - 4));
}
}
if (num2 != 3)
{
goto IL_287;
}
byte[] array5 = new byte[]
{
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
};
byte[] array6 = new byte[]
{
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2,
2
};
using (ICryptoTransform aesTransform = SimpleZip.GetAesTransform(array5, array6, true))
{
array = SimpleZip.Unzip(aesTransform.TransformFinalBlock(A_0, 4, A_0.Length - 4));
goto IL_287;
}
}
throw new FormatException("Unknown Header");
}
short num6 = (short)zipStream.ReadShort();
int num7 = zipStream.ReadShort();
int num8 = zipStream.ReadShort();
if (num != 67324752 || num6 != 20 || num7 != 0 || num8 != 8)
{
throw new FormatException("Wrong Header Signature");
}
zipStream.ReadInt();
zipStream.ReadInt();
zipStream.ReadInt();
int num9 = zipStream.ReadInt();
int num10 = zipStream.ReadShort();
int num11 = zipStream.ReadShort();
if (num10 > 0)
{
byte[] buffer = new byte[num10];
zipStream.Read(buffer, 0, num10);
}
if (num11 > 0)
{
byte[] buffer2 = new byte[num11];
zipStream.Read(buffer2, 0, num11);
}
byte[] array7 = new byte[zipStream.Length - zipStream.Position];
zipStream.Read(array7, 0, array7.Length);
SimpleZip.Inflater inflater = new SimpleZip.Inflater(array7);
array = new byte[num9];
inflater.Inflate(array, 0, array.Length);
IL_287:
zipStream.Close();
zipStream = null;
return(array);
}